Home / 440,129,403.30-659,774,200.95-163,706,600.10

Finding the Fourth Proportional to 440,129,403.30, 659,774,200.95 and 163,706,600.10

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Solution

The fourth proportional to 440,129,403.30, 659,774,200.95 and 163,706,600.10 is: 245,403,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,129,403.30 : 659,774,200.95 = 163,706,600.10 : x
  2. Step 2: Convert to fraction form
    440,129,403.30/659,774,200.95 = 163,706,600.10/x
  3. Step 3: Cross multiply
    440,129,403.30x = 659,774,200.95 × 163,706,600.10
  4. Step 4: Simplify right side
    440,129,403.30x = 108,009,391,271,218,688
  5. Step 5: Solve for x
    x = 108,009,391,271,218,688/440,129,403.30
  6. Step 6: Final answer
    x = 245,403,716.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.